Senior Full Stack Developer

• Developing scalable web applications using C#, .NET, ASP.NET Web API and MVC
• Working with modern cloud technologies such as Azure, containers and Azure Kubernetes Service (AKS)
• Building new features and improving existing applications used by customers and internal stakeholders
• Ensuring code quality and applying best practices such as SOLID, DRY and KISS
• Collaborating closely with analysts, testers and other developers in an agile setup
• Mentoring junior and medior developers and sharing technical expertise
• Contributing to technical analyses and continuous improvement of development processes

You will work in sprints, participate in daily stand-ups and deliver tangible results through demos and iterative development.

You are a senior developer with strong backend expertise and a solid understanding of frontend technologies.

Key requirements:

• Fluent in Dutch, with good knowledge of English and/or French as a plus
• Minimum 5 years of experience in full-stack development
• Strong experience with C#, .NET and ASP.NET (Web API and MVC)
• Knowledge of HTML, CSS, JavaScript and frameworks such as Angular or Vue.js
• Experience with Azure, Azure DevOps, containers and AKS
• Familiarity with design principles like SOLID, DRY and KISS
• Analytical mindset and solution-oriented approach
• Strong communication skills and ability to work both independently and in a team

Additional assets include knowledge of SQL and Azure storage/compute services.

You will receive a permanent full-time contract with a competitive salary package:

• Gross monthly salary between €3,430-€4,900, depending on experience
• Bonus plan including non-recurring bonus, annual bonus and a fixed Christmas bonus (€40 + €40 per child)
• Meal vouchers (€8/day), eco vouchers (€250/year) and sport & culture vouchers (€100)
• Group insurance, hospitalization insurance and private accident insurance
• Pension savings plan
• Company car and mobility benefits, public transport reimbursement, bike compensation (€0.35/km) and bike leasing
• 13th month
• 38 days of annual leave
• Flexible working, up to 3 days of remote work per week, including telework allowance and internet allowance
• Additional net allowances and team-building initiatives
• Access to training and development opportunities, both internal and external

Hays is looking for a Senior Full Stack Developer in Antwerp for an established and fast-growing organisation within the insurance and financial administration sector. This client plays a key role in supporting entrepreneurs and families through digital platforms and services. You will join a financially stable company with over 100 employees at the Antwerp site, known for its collaborative, informal culture and strong focus on knowledge sharing, innovation and personal growth.